X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.common%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fcommon%2Fprocessors%2FUserSelectedViewpointFactoryQueryProcessor.java;fp=bundles%2Forg.simantics.browsing.ui.common%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fcommon%2Fprocessors%2FUserSelectedViewpointFactoryQueryProcessor.java;h=30e5ca890066f4fb827d9a525b8ba1dc4c717593;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

diff --git a/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/processors/UserSelectedViewpointFactoryQueryProcessor.java b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/processors/UserSelectedViewpointFactoryQueryProcessor.java
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index 000000000..30e5ca890
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+++ b/bundles/org.simantics.browsing.ui.common/src/org/simantics/browsing/ui/common/processors/UserSelectedViewpointFactoryQueryProcessor.java
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+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.browsing.ui.common.processors;
+
+import java.util.Collection;
+import java.util.HashMap;
+
+import org.simantics.browsing.ui.BuiltinKeys;
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.PrimitiveQueryUpdater;
+import org.simantics.browsing.ui.BuiltinKeys.SelectedViewpointFactoryKey;
+import org.simantics.browsing.ui.NodeContext.PrimitiveQueryKey;
+import org.simantics.browsing.ui.content.ViewpointFactory;
+import org.simantics.utils.datastructures.Pair;
+
+public class UserSelectedViewpointFactoryQueryProcessor extends AbstractPrimitiveQueryProcessor<ViewpointFactory> {
+
+    HashMap<NodeContext, ViewpointFactory> selections = new HashMap<NodeContext, ViewpointFactory>();
+    HashMap<NodeContext, Pair<PrimitiveQueryKey<?>, PrimitiveQueryUpdater>> updaters = new HashMap<NodeContext, Pair<PrimitiveQueryKey<?>, PrimitiveQueryUpdater>>();
+
+    @Override
+    public String toString() {
+        return "UserSelectedViewpointFactoryProcessor";
+    }
+
+    @Override
+    public Object getIdentifier() {
+        return BuiltinKeys.SelectedViewpointFactoryKey.class;
+    }
+
+    @Override
+    public ViewpointFactory query(PrimitiveQueryUpdater updater, NodeContext context,
+            PrimitiveQueryKey<ViewpointFactory> key) {
+
+        updaters.put(context, new Pair<PrimitiveQueryKey<?>, PrimitiveQueryUpdater>(key, updater));
+        ViewpointFactory result = selections.get(context);
+        if (result != null)
+            return result;
+
+        SelectedViewpointFactoryKey k = (SelectedViewpointFactoryKey) key;
+        Collection<ViewpointFactory> factories = k.getParameter(0);
+
+        if (factories.isEmpty())
+            return null;
+
+        return factories.iterator().next();
+    }
+
+    public ViewpointFactory getSelection(NodeContext context) {
+        return selections.get(context);
+    }
+
+    /**
+     * Invoked by the user interfaces for selecting viewpoints.
+     * 
+     * @param context
+     * @param factory
+     */
+    @SuppressWarnings("unchecked")
+    public void select(NodeContext context, ViewpointFactory factory) {
+        selections.put(context, factory);
+        Pair<PrimitiveQueryKey<?>, PrimitiveQueryUpdater> p = updaters.get(context);
+        if (p.second == null)
+            throw new IllegalArgumentException("context not found in cache");
+        p.second.scheduleReplace(context, (PrimitiveQueryKey<ViewpointFactory>) p.first, factory);
+    }
+
+}